Break Down Maintenance of DM plant 2x210 MW DM Plant clarified pump house and PT plant 2x250 MW along with Routine maintenance of DM plant clarified pump house Raw water and PT plant 2x250 MW

Maintenance of Vessels of MB/ SBA / SAC / ACF / PSF/DMF in DM plant 2x210 MW and 2x250 MW

Maintenance of Nozzle assembly of Mix bed/Anion bed /Cation bed and fabrication of Fume absorber as per sample in DM plant 2x210 MW and 2x250 MW

Repairing, fabrication and replacement of flanges of MB/SBA/SAC/ACF/DMF/PSF in DM plant 2x210 MW and 2x250 MW

Epoxy coating of AC filter vessels of DM plant and epoxy painting of various tanks, fume absorbers and pipelines in DM plant 2x210 MW and 2x250 MWper m².

Painting work in DM storage tank, potable tank, IMST, scrapper of HRSCC, various support, structure, ladders etc. in DM plant 2x210 MW and DM plant, PT plant and pump house in 2x250 MW per m²

Maintenance Breakdown maintenance of Boiler fill pump in DM plant 2x210 MW.

Maintenance & attending B/D of neutralization water disposal pump, DM transfer pump, DM supply pump,Degassor water pump, Back wash pump, Regeneration pump, service water pump & potable water pump in DM plant 2x210 MW and 2x250 MW and clarified pump house 250 MW(as per scope of work).

Maintenance & attending B/D of CW Make up and APH cleaning pump in clarified pump house 2x250 MW

Maintenance & attending B/D of Alkali/Acid unloading pump, UF feed pump, UF backwash pump, Degasser Air Blower, M/B Air Blowers & PSF air blowers in DM plant 2x210 MW and 2x250 MW.

Balancing and alignment of above pumps(SI. No. 6 ,7,8 & 9) with their motors.

Cleaning of Air Blower filters in DM plant 2x210 MW and 2x250 MW.

Changing of broken/ rusted foundation bolts of pumps, rubber packing/gaskets of flanges 25mm to 300mm, attending rupture leakages of all the pipelines originating/present in DM plant 2x210 MW,DM plant, Clarified pump house and PT plant 2x250 MW till their terminating location, welding of MS angle, MS channel for maintenance of support and other structures, in both DM plants and PT plant and Pump House in 2x250 MW.

Maintenance & attending Breakdown of dual plate/ swing type NRV’s of above mentioned pumps and blowers (SI. No. 6 ,7& 9)

Maintenance & attending Breakdown of dual plate/ swing type NRV’s of CW Make up and APH cleaning pump in clarified pump house 2x250 MW

Changing of pipeline of 25mm to 300mm, big size valves- 125mm to 300mm. rubber diaphragm 25mm to 200 mm of DM plant 2x210 MW and 2x250 MW.

Upkeeping & removal of coal dust , chemicals from Air blower , filter cover outer surface of all equipment of neutralizing shed ,regeneration shed, water washing of acid unloading platform of Acid Tank, Pipe trenches inside & outside of both DM plants.

Cleaning, removal and disposal of mud from existing neutralizing pit (02 No) in DM plant 2x250 MW

Attending leakages in MS/SS pipelines and replacement of worn out / damaged gaskets/nut-bolts of flanges of 150/100mm dia pipelines of DM water transfer/fill line from DM plant 2x250 MW to Storage tank of unit No 5&6 and from DM plant 2x210 MW to Deaerator/ Hot well/ Overhead Storage tank of unit No 3&4

Make up/Replacement of resin/ Activated carbon/sand in various vessels in DM plant 2x210 MW and 2x250 MW as per scope of work. (in Ltrs.)

Maintenance/ attending leakages of PVC pipe lines.

Maintenance/B/D maintenance of CIP pumps in DM plant 2x210 MW and 2x250 MW.

Maintenance/B/D Maintenance of Chemical dosing pump in DM plant 2x210 MW and 2x250 MW.

Maintenance of chemical solution preparation agitator (includes gear box and paddle assembly etc.) in DM plant 2x210 MW and 2x250 MW

Complete cleaning and removal of foreign material from chemical tank their strainer, servicing of level glass gauge and back washing of tank etc in DM plant 2x210 MW,DM plant, Clarified pump house and PT plant 2x250 MW.

Removal of chocking and flushing of pipelines of chemical tank in DM plant 2x210 MW and 2x250 MW.

Maintenance or replacement of UF skid connecting tube in DM plant 2x210 MW and 2x250 MW.

Maintenance of Gate/Glove/Diaphgram actuator Valves in DM plant 2x210 MW & 2x250 MW, Clarified pump house and PT Plant 2x250 MW: 300mm

Maintenance & attending B/D of lime dosing solution /Alum dosing solution /PEC dosing solution/Alkali Measuring preparation tank’s agitator assembly (including gear box) of PT plant (as per scope of work).

Maintenance/ B/D maintenance of Lime/alum/Poly dosing pump.

Complete cleaning and removal of foreign material from chemical tanks/ Aerator in PT plant 2x250 MW

Removal of chocking and flushing of pipelines of chemical tank.

Maintenance/B/D maintenance of Sludge disposal pump

Manual cleaning of sludge pit/HRSCC of PT plant of mud, chemical & other wastes etc and disposal of same to suitable remote place.

Maintenance of central bearing of clariflocculator bridge which includes dismantling bearing housing, changing bearing /repairing bearing housing and assembling etc.

Maintenance/B/D maintenance of end carriage drive.

Maintenance/B/D maintenance of flocculate paddles assembly (includes reduction gear box, bevel gear box, pulley unit & shaft).

Maintenance of MS rail of peripheral clarifier wall of clarifluccator bridge and associated system which includes repairing/welding etc.

Maintenance of scrapper of clariflucator, constant bleed line and removing chocking of sludge line and accumulated sludge from the system.

Maintenance of flash mixer agitator (includes gear box, mixing paddles and associated system).

Part B: Routine maintenance of PT Plant, DM Plant, Raw water pumps & Clarified pumps installed at BOP 2x250MW, PTPP, Parichha

M/S USHA ENTERPRISES

M/s JAHANGIR ENTERPRISES